From 204b88b869f9bf2b0e565650d51d664244d33a3d Mon Sep 17 00:00:00 2001 From: Juan Quintela Date: Wed, 15 Mar 2017 09:16:57 +0100 Subject: [PATCH] ram: Add QEMUFile to RAMState Signed-off-by: Juan Quintela Reviewed-by: Dr. David Alan Gilbert --- migration/ram.c | 17 ++++++++++------- 1 file changed, 10 insertions(+), 7 deletions(-) diff --git a/migration/ram.c b/migration/ram.c index b9f415c09d..62b44cf5a8 100644 --- a/migration/ram.c +++ b/migration/ram.c @@ -165,6 +165,8 @@ struct RAMSrcPageRequest { /* State of RAM for migration */ struct RAMState { + /* QEMUFile used for this migration */ + QEMUFile *f; /* Last block that we have visited searching for dirty pages */ RAMBlock *last_seen_block; /* Last block from where we have sent data */ @@ -525,14 +527,13 @@ static void xbzrle_cache_zero_page(RAMState *rs, ram_addr_t current_addr) * -1 means that xbzrle would be longer than normal * * @rs: current RAM state - * @f: QEMUFile where to send the data * @current_data: pointer to the address of the page contents * @current_addr: addr of the page * @block: block that contains the page we want to send * @offset: offset inside the block for the page * @last_stage: if we are at the completion stage */ -static int save_xbzrle_page(RAMState *rs, QEMUFile *f, uint8_t **current_data, +static int save_xbzrle_page(RAMState *rs, uint8_t **current_data, ram_addr_t current_addr, RAMBlock *block, ram_addr_t offset, bool last_stage) { @@ -583,10 +584,11 @@ static int save_xbzrle_page(RAMState *rs, QEMUFile *f, uint8_t **current_data, } /* Send XBZRLE based compressed page */ - bytes_xbzrle = save_page_header(f, block, offset | RAM_SAVE_FLAG_XBZRLE); - qemu_put_byte(f, ENCODING_FLAG_XBZRLE); - qemu_put_be16(f, encoded_len); - qemu_put_buffer(f, XBZRLE.encoded_buf, encoded_len); + bytes_xbzrle = save_page_header(rs->f, block, + offset | RAM_SAVE_FLAG_XBZRLE); + qemu_put_byte(rs->f, ENCODING_FLAG_XBZRLE); + qemu_put_be16(rs->f, encoded_len); + qemu_put_buffer(rs->f, XBZRLE.encoded_buf, encoded_len); bytes_xbzrle += encoded_len + 1 + 2; rs->xbzrle_pages++; rs->xbzrle_bytes += bytes_xbzrle; @@ -850,7 +852,7 @@ static int ram_save_page(RAMState *rs, MigrationState *ms, QEMUFile *f, ram_release_pages(ms, block->idstr, pss->offset, pages); } else if (!rs->ram_bulk_stage && !migration_in_postcopy(ms) && migrate_use_xbzrle()) { - pages = save_xbzrle_page(rs, f, &p, current_addr, block, + pages = save_xbzrle_page(rs, &p, current_addr, block, offset, last_stage); if (!last_stage) { /* Can't send this cached data async, since the cache page @@ -2090,6 +2092,7 @@ static int ram_save_setup(QEMUFile *f, void *opaque) return -1; } } + rs->f = f; rcu_read_lock();